2-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-6-acetonitrile
Methyl 2-bromo-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
2-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 2-bromo-3-nitro-6-(trifluoromethoxy)pyridine-4-carboxylate